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Dosierschnecke
Such as the Easy Control function
The integrated cleaning mechanism for the heat exchanger supports proper maintenance of the boiler
1% Seasonal space heating energy efficiency 79% Energy efficiency class A+ Energy efficiency index EEI 115 Boiler class Class 5 Maximum log length 750 mm Flue gas temperature at rated load 170 °C Required chimney draft 23 Pa Flue pipe connection 150 mm Flow and return G 2 inch Safety heat exchanger Yes Lambda sensor No Maximum operating overpressure 2
Naturzugkessel Defro Firewood Plus 19 kW Vaillant DosierschneckeProduct Overview & Application The Defro Firewood Plus 19 kW natural draft boiler is a manually fed solid fuel boiler for split logs and use in central hot water heating systems. It is suitable for heating systems where a robust wood boiler with clear technical features, buffer tank connection, and professional integration into a closed heating system is intended. Technology & Features The boiler body is constructed as a multi pass steel structure
